Lite-on Technology Corporation

Lite-on Electronics (guangzhou) Limited

Leotek Corporation

Industrial Technology Research Institute

Yao-Chi Peng

Ming-Hung Chien

Kuan-Yu Chen

Shih-Chang Wang

Hung-Yi Lin

Po-Chang Li

Kuo-Hui Chang

Jian-Shian Lin

Tsan-Li Chiu

Pin-Hao Hsu

Chien-Lung Wang

Wei-Wen Shih

Wei-Ting Wu

Jhao-Tian Pan

Li-Ta Fan

Kuei-Ling Chen

Ming-Chun Wu

Chung-Hsiang Chang

Shih-Ming Huang

Chia-shen Cheng

A lamp device includes a controller, a plurality of light-emitting elements, a plurality of current conversion modules and an interpretation module. The controller is configured to output a dimming signal. The current conversion modules are coupled to the light-emitting elements and configured to control the light-emitting elements to emit light. The interpretation module is coupled to the current conversion modules and configured to output, according to a comparison table, a plurality of control signals corresponding to the dimming signal to the current conversion modules respectively. The light-emitting elements are different in a luminous property, and one of the current conversion modules is configured to output a feedback signal to the controller.

Lamp device and light-emitting control method thereof

A visibility meter, a street light device and an operation method thereof are provided. The visibility measurement method includes: transmitting a visible laser through an optical transmitter; receiving the visible laser through an optical sensor to generate a sensed result; and calculating a visibility according to the sensed result.

Visibility meter, street light device and operation method thereof

The present invention discloses a light emitting device. The light emitting device includes a housing, a first light emitting module and a second light emitting module. The first light emitting module is provided with a first light emitting area and is disposed on the housing. The second light emitting module is provided with a second light emitting area and is disposed on the housing and surrounds the first light emitting module. A first luminance in the first light emitting area is higher than a second luminance in the second light emitting area, and the first luminance and the second luminance are separately controlled.

Light emitting device with light blocking element

A lighting device including a light emitting module, a light pattern determination module, and a controller is provided. The light emitting module is configured to emit an illumination light. The light pattern determination module includes a first lens and a second lens. The first lens corresponds to a first light pattern, the second lens corresponds to a second light pattern, and the first light pattern is different from the second light pattern. The controller is configured to adjust at least one of the light emitting module and the light pattern determination module, so as to control an illumination light pattern of the illumination light passed through the light pattern determination module. In addition, a lighting method of the lighting device and a lighting system using the lighting device are also provided.

Lighting method, lighting device and lighting system

A light source module including a substrate, an LED package, an optical cover, and at least one packing layer is provided. The LED package is disposed on the substrate and includes an encapsulant. The optical cover is disposed above the LED package. The at least one packing layer is filled between the LED package and the optical cover.

Light source module

A light-emitting device including a lamp cover, a transparent front cover, a light-emitting element, a radiation layer and a reflective layer is provided. The transparent front cover and the lamp cover are combined together and form a cavity therein. The light-emitting element is disposed on the lamp cover and located within the cavity. The light-emitting element is used for emitting a light towards the transparent front cover. The radiation layer is formed on the lamp cover and the reflective layer is formed on the radiation layer.

Street lamp with enchanced heat dissipation

A light source module including a casing, a light guide plate, at least one light emitting element, and a reflector is provided. The light guide plate includes a plate body and an optical microstructure array. The optical microstructure array is located at a top surface of the plate body and includes a plurality of microstructure units. The microstructure units are recessed from the top surface towards the bottom surface and are shaped as inverted square pyramids, and a pyramid portion of each of the inverted square pyramids is formed by at least four surfaces. Each of the microstructure units includes two opposite first surfaces and two opposite second surfaces arranged in an alternating manner. Further, in each of the microstructure units, angles included between the two first surfaces and the top surface are identical, and angles included between the two second surfaces and the top surface are identical.

Light source module and adjustment method thereof

A novel emergency traffic controller for emergency vehicles and a controlling method thereof are provided. The emergency traffic controller includes an emergency controlling unit, a target redirection unit and a source selection unit. The emergency controlling unit is used for receiving an emergency message and outputting a switching signal according to the emergency message. The target redirection unit is electrically coupled to an existing traffic light controller and the emergency controlling unit. The source selection unit is electrically coupled to the traffic light controller. The target redirection unit is used for receiving a lighting signal from the existing traffic light controller through the source selection unit and working with the emergency controlling unit to transmit the lighting signal to one of a plurality of traffic light signs according to the switching signal.

Emergency traffic controller for emergency vehicles and controlling method thereof

A light source module including a light emitting element, a tunable-focal length lens and a controller is provided. The light emitting element is configured to emit a light beam. The tunable-focal length lens is disposed on a transmission path of the light beam. The controller is coupled to the tunable-focal length lens, and adjusts a characteristic of the tunable-focal length lens in a first status and a second status.

An illumination system and an illumination method thereof are provided. An environmental condition of a position of an illumination apparatus is detected, so as to produce an environmental information. A corresponding illumination result prediction model is selected according to a first environmental information. An illumination character of an illumination light is adjusted according to the illumination result prediction model and the first environmental information.

Illumination system and illumination method thereof

A lens, which is adapted to control distribution of light emitted by a light source, includes a curved light-projecting surface distal from the light source, and a light-incident surface opposite to the light-projecting surface. The light-incident surface includes a plurality of curved sections facing the light source, and a plurality of connecting sections. Each of the connecting sections interconnects two adjacent ones of the curved sections, and has opposite first and second connection sides that are respectively connected to the two adjacent ones of the curved sections. A distance between the first connection side and the light source is not equal to a distance between the second connection side and the light source.

Growing community of inventors

Taipei, Taiwan

Yao-Chi Peng